Engine.



M. L. WILLIAMS.

ENGINE.

APPLlcATloN FILED AHL-1B, 1913. 133233,210.

RENEWED 0CT.17,1919.

Patenti-)d Nov. 2*", 12H9.

2 SHEETS-SHEET l.

alfwl-l-lllllmm M. LfwlLLiAivIs.

ENGINE.

APPLICATION FILED APR.. I8. I9I3. IIENEWEIJ 00T. I7, I9I9.

Patented Nov. '25, 1919.

2 SHEETS-SHEET Z.

ninrirn s'rliirns PATENT ernten.

MARTN Il. WILLIAMS, OF SOUTH BEND, INDIANA, ASSIGNOR, BYI MESNEASSIGNMENTS,

T AMERGAN SLEEVE-VALVE MOT'QR COMPANY,

A. CORPORATION 0F DELAXVARE.

enema.

i Specification of Letters atent.

Patented N ov. 25, 1919.

Applicatonled April 1S, 1913, Serial No. 761,930. Renewed October 17,193.9. Serial 1\ ,33l,494l.

To all who/m; 'it may] concern:

Be it known that l, HART-IN L. WILL-Imis, a citizen of the UnitedStates, residing' in the city of' South Bend, county ofSt. Joseph, andState ot' Indiana, have invented certain new and useful Improvements inEngines, of which the following is aspecifi cation. A

This invention relates to innzirovements in 1G engines and refers moreparticularly to a four cycle ,eas engine of the single rotary valvetype.

The object of the invention is to provide a novel type of rotary sleevein combination lfwith the split sealing); ring.

The invention consists in the matters hereinafter described and moreparticularly pointed out in the appended claims,

In the dinwings- Y Figure l is a transverse vertical sectiona View of anengine embodying my invention; ig. i2 is a fragmentary verticalsectional view showing' a modified manner of arranging the rotary valvesleeve relative to the piston.

Fig. 3 is'a side elevation of the rotary valresleeve.

Fig. -l'is bottoni View of the sleeve shown in Fig. 3; v v

Fig'. 5 is a sectional View taken on lines .f3-5 of Fig. 3 and lookingin the direction of the arrows; Y

Fig. 6 is a sectional View taken en lines 6-6 oi' Fig. 3 and looking inthe direction or' the arrows;

Fig. 7 is a transverse vertical sectional View of the worm wheel;

F ig. 8 is a top plan view of the wheel shown in 7; l0 Fig. 9 is a topplan vien7 of the port ring',

Fig. l@ is. a vertical sectional view of the saine taken on lines 10H10or Fig'. 9, and shcnvingn also the expansion ring. l

Fig'. ll is vajplan view of the expansion rnv which fits within the portrin y;

iig. i2 is aside elevation of said expair sie ring'.

l. derring to the drawingsdesignates as a whole a cranlr ase, and 2 ;hecrank sharia, The lower end of the crank case serves as an oil pan i'provided with oil troughs S. At the upper endsmthe crank easingprovided with a cylinder stationary base 9 on which is supported theengine eylinders, only one cylinder l0' beingshown in the verticalsection illustrated 1n Fig. l. The piston ll is connected by piston rod13 to the crank 2 in any well known man@ lower end of which lits `withinthe nllveisleeve 12. The cylindcrhead is bolted or otherwise rigidlysecured to the cylinder. Between the sleeve iwall and the cylinder headis interposed a stationary port ring 16,

shown more clearly in detail in F igjs. 9 and l0. This ring is providedwith six` circiun- A 'ferentially spaced ports 17 which register withthe inlet and exhaust ports at the upper end of the cylinder walls,hereinafterdescribed.. The ported ring is locked against rotation. bymeans ot a pin 18 extending into the cylinder head. The ring is alsosplit, as shown at 19 and 20, thc split portions of the ring;l beingrolliset and the ringbeing split through two opp'ositely disposedports,.-as shown more clearly in Fig. lO. The ringF is normally forcedoutwardly by a spring; split collar 2l which rests upon a shoulder 22formed in the lower end of the cylinder head and is provided at itsupper face with a conical or tapered portion 23 projectingr into aflaring portion l formed in the lower end of the port ring 1G. Thearrane'einent'is such that the collar 2l normally tends to spread theport ring i6 so :is to forni a gas tight lit between the latter-memberand the rotary valve sleeve l2, while at the saine time allowing thevalve sleeve to rotate without mirino-friction. The central portion ofthe ported ring' lo 'el c., that portion oi' the ring wall opposite theports, is countenbored as shown at Q5 in order to insnre'of effectingexpansion, and contraction'ol" the ring. As the valve sleeve l2 rotatesabout the ported ring 16 in a clockwise direction, the ring, which isheld stationary by the pin 18, will thereby be Contracted. The objectdesired is to have the rotation oi the sleeve tend to ront ict theported ring; 16 against the actien or.' the collar 2l. This insures moreelcien; lubrication and the parte are less u un@ punts; uli? exhaustports nt the upper fendu?? the njylnrv A projects into the linnn bntwnanthe bushing und. the Stn-- a u C. L` hun inw inn @y me jim exhuusi;movin Ihn npjjn-zl' and ujf un@ cylimfnn :nu C?. fl njr thu roizuyy mlmszn,fn und ut the; uwnlrl' nilld of 'the cylinder, um dosed by both Sinnseeve und the. nylindmn Au the plut/0n flamands un H1@ unke Szmknf, itdiffuus in. thu by "m Cu mu. tbn pistou 1 anche@ tu@ und. nf im :akinSunfilm, nil thu' .inlet ngvuf nnnuust puru .f3.5 tun pmu. @1min up-ninuhu nmnlnfessiun Stn-oke, the pLrtS lemm Cnn` u "j tlm pint-nn mun-hnsHin und u: t'uu u prnasinn Stfnkn um the bnglurng uf hun powm Stmk@ thepunks :wu all nunef', und ne munten duri: gg; Su. umol 'As the, y "Tfbnn un: *n the und un thu ma. awoke, ich@ slew@ han rotated so that iuwer ports reg utur wtfl Mm un'hnust ports 1n tbn lower und nf thenylndnn hun pinten uncuvnm tun udmust ports nrt thu 1u wel' und thennnsliuinud ganas escupe into the nxhuunt mzmnlf', Thu

1: nm dosed.

dei' nre. uuw open' xivule the inl# v 11min closed, and than@ upper'renmin clused While 'the piston in un ts fourth' 'or sczwengin simokelThe invention is nut united. tu the dntn'ln' of construction shown excptan net fwh n th nppendud claims.

I claim nu my invention:

In u engins; the Comunit. nj"l :nf1@:,und piston than M head inning :ISplit pori; ring` n ported valve lSleeve projecting` between the.cylinder wall and port ring, and mennel whereby rotation of said sleevetend to contract'- snid ring.

3. 1n 2L gals engine, the Combination with :I ported cylinder and pistontherein, of :I cylinder head, :I split port ring,` projectingl from thehead into the cylinder, a spring member tending to force the splitportions of the ring npnri. n ported rotany Valve Sleeve extending'between the port ring' and cylinder wall, und inerme whereby rotation ofthe sleeve tonds to open said ring against the a@ fion m seid springmember.

4.. ln n gas engine the combination with :t

MARTIN L. WILLIAMS.

Witnesses FRANK L. BELIINAP, TILLIAM L. KIZEII.

